reactos/lib/rtl/i386/debug_asm.S

   1 /*
   2  * COPYRIGHT:         See COPYING in the top level directory
   3  * PROJECT:           ReactOS Run-Time Library
   4  * PURPOSE:           Debug Routines
   5  * FILE:              lib/rtl/i386/debug.S
   6  * PROGRAMER:         Alex Ionescu (alex@relsoft.net)
   7  */
   8
   9 .intel_syntax noprefix
  10
  11 /* GLOBALS ****************************************************************/
  12
  13 .globl  _DbgBreakPoint@0
  14 .globl  _DbgBreakPointWithStatus@4
  15 .globl  _DbgUserBreakPoint@0
  16 .globl  _DebugService@20
  17
  18 /* FUNCTIONS ***************************************************************/
  19
  20 _DbgBreakPoint@0:
  21 _DbgUserBreakPoint@0:
  22     int 3
  23     ret
  24
  25 _DbgBreakPointWithStatus@4:
  26     mov eax, [esp+4]
  27     int 3
  28     ret 4
  29
  30 _DebugService@20:
  31
  32     /* Setup the stack */
  33     push ebp
  34     mov ebp, esp
  35
  36     /* Save the registers */
  37     push ecx
  38     push ebx
  39     push edi
  40     push edi
  41     push ebx
  42
  43     /* Call the Interrupt */
  44     mov eax, [ebp+8]
  45     mov ecx, [ebp+12]
  46     mov edx, [ebp+16]
  47     mov ebx, [ebp+20]
  48     mov edi, [ebp+24]
  49     int 0x2D
  50     //int 3
  51
  52     /* Restore registers */
  53     pop ebx
  54     pop edi
  55     pop edi
  56     pop ebx
  57
  58     /* Return */
  59     leave
  60     ret 20
  61